SPArrangeChoices is correctly rearranging my check box column but when I use it, SharePoint doesn't receive the results of the boxes I checked when I submit the form. Since the field is mandatory, I can never save the form. SharePoint does the post back but
then complains that the field is empty and all the checkboxes I checked are blank. When I disable SPArrangeChoices the form saves correctly.

The problem only occurs in IE, not Chrome. Unfortunately my company only uses IE.

I've looked at the nodes with Chrome's and IE's developer tools but I can't see any difference in the IDs and names pre- and post-SPArrangeChoices.

Thanks for the report. Can you tell me more about the column you are calling SPArrangeChoices on? It's a checkbox column. How many values, what do they look like (if you can share the exact text, I can test it), is it a lookup or a choice column, etc.?

I am still needing help with this - the work item discussion is leaving me blank - i can not get the suggested code to work in 2013 - the SPArrangeChoices does not appear to trigger at all - if i use the original suggested code from the codeplex documentation
it formats the choices correctly but does not save as the problem indicates. It is very frustrating to have a partial answer - can someone please post what the code would look like in a custom form in the right section. I am probably not closing off some {
somewhere but something that is some great is spoilt by an assumption you know where to put some of this stuff... Thanks